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WorksheetsEcology Unit Test Review
Total questions: 15
Worksheet time: 8mins
What is the relationship between the snake and the mouse in this food web?
The snake is a primary producer and the grasshopper is a tertiary consumer
The snake is a predator and the mouse is its prey
The mouse is a parasite and the snake is the host
The snake is a tertiary consumer and the mouse is a primary consumer
What is the relationship between the Polar Bear and the Orca in this food web?
They are producers
They are decomposers
They are competitors
Excess nitrogen fertilizers sometimes drain into waterways that flow into the Galveston Bay. This nitrogen may cause algae blooms, which reduce dissolved oxygen in the water. How does nitrogen negatively affect the Galveston Bay?
fish births increase
fish populations decrease
sediment on the bottom of the bay
Which of these four species of bear would be most in danger of becoming extinct if one of its food sources became unavailable?
Brown Bear
Black Bear
Polar Bear
Panda Bear
Organisms that make their own food are called __________________.
producers
consumers
decomposers
Where does all the energy originate from in a food web?
All energy comes from the Sun.
All energy comes from the Moon.
All energy comes from your Face.
All energy comes from the Sun.
Blue whales live in oceans. What type of factors do they rely on for their existence?
Only biotic factors
Only abiotic factors
Both biotic and abiotic factors
Neither biotic nor abiotic factors
Which type of interaction exists between shrimp and blue crabs in this food web?
Shrimp prey on blue crabs.
Shrimp compete with blue crabs for food.
Shrimp help blue crabs filter polluted water.
Shrimp decompose matter for blue crabs
In this food web, which organism has the greatest number of food sources?
Snake
Hawk
Shrew
Mouse
Rainforest are home to a variety of plant and animal species. Most have yet to be discovered. One study in a Brazilian rainforest found 487 tree species, 320 butterfly species and over a thousand species of insects on 2.5 acres of land. With so many different species living within a particular region, this can best be described as –
Biodiversity
Species
Niche
Food chain
The diagram shows the beaks of five species of birds that developed over time from one parent species. Which of the following best explains why the beak shape of each species of bird developed differently?
Each beak shape helps the birds to produce different songs.
Each beak shape is an adaptation to a specific source of food.
Each beak shape is designed to construct a different type of nest.
Each beak shape helps protect the birds from a different predator.
A certain type of mite is a parasite of honeybees. Which statement best describes the relationship between the mites and the bees?
The mites harm the bees by feeding on their blood.
The mites get honey in return for helping the bees stay healthy.
The mites help the bees find food but get nothing in return.
The mites live in the hive of the bees but do not interact with the bees.
Different species of carnivorous animals that share the same habitat in an ecosystem may –
become decomposers
compete for biotic food
produce their own food
mate with each other
What is one way humans are trying to positively impact the ocean?
Fishing
Creating artificial reefs
Harvesting oil and natural gas
Transporting goods in ocean vessels
A grassland is pictured. Grasses are considered –
Autotrophic
Decomposers
Heterotrophic
Primary consumers
